Washington's Birthday, also known as Presidents' Day, is a federal holiday held on the third Monday of February. The day honors presidents of the United States, including George Washington, the USA's first president. George Washington was the first president of the United States of America.
Complement component 5 is a protein that in humans is encoded by the C5 gene.Complement component 5 is involved in the complement system. It is cleaved into C5a and C5b: 1  C5a plays an important role in chemotaxis.2  C5b forms the first part of the complement membrane attack complex.omplement component 5 is the fifth component of complement, which plays an important role in inflammatory and cell killing processes.
Even if your test results are different from the normal value, you may not have a problem. To learn what the results mean for you, talk with your healthcare provider. The normal range for a complement C3 blood test is 80 to 160 milligrams per deciliter (mg/dL), or 0.8 to 1.6 grams per liter (g/L).Your complement levels will often shoot up dramatically just after an infection or injury.his test measures the amount of C3 proteins in your blood. These proteins are part of your complement system, which plays an important role in your immune system.